Bump version number to 0.8.7
Bump version number to 0.8.7

lucius-feng/xmltodict,bzamecnik/xmltodict,solvebio/xmltodict,martinblech/xmltodict,sporgj/xmltodict,ahlusar1989/xmltodict,CyberTailor/iBlock,CyberTailor/iBlock,pombredanne/xmltodict,martinblech/xmltodict,pombredanne/xmltodict,butson/xmltodict,haiyangd/xmltodict